The Portuguese Legion (French Légion Portugaise and Portuguese Legião Portuguesa) was the 9 000 men strong Portuguese military force integrated in the Napoleon's Imperial Armies, mobilized after the occupation of Portugal by the army of General Junot, in 1807.
The Legion was created by order of Napoleon from 12 November 1807. Organization began in February, 1808, with the best units of the disbanded Portuguese Army, including the elite Legion of Light Troops.
It left to Salamanca in April 1808, crossing Spain until arriving in France. During the crossing of Spain, many legionnaires defected, returning to Portugal and joining the Portuguese resistance against the French occupation.
At the service of Napoleon, the Portuguese Legion fought in the campaigns of Germany, Austria and Russia, suffering heavy casualties.
It was present in the battles of Wagram, Smolensk, Vitebsk and Borodino (Moscow). Being highly regarded by Napoleon, the troops of the Legion were referred by him as the "Black Infantry".